package cn.supermarket.system.service.impl;

import cn.supermarket.common.annotation.DataScope;
import cn.supermarket.common.contant.UserConstants;
import cn.supermarket.common.entity.system.SysPost;
import cn.supermarket.common.entity.system.SysRole;
import cn.supermarket.common.entity.system.SysUser;
import cn.supermarket.common.enums.UserStatus;
import cn.supermarket.common.exception.ServiceException;
import cn.supermarket.common.utils.SecurityUtils;
import cn.supermarket.common.utils.StringUtils;
import cn.supermarket.common.utils.bean.BeanUtils;
import cn.supermarket.common.utils.bean.BeanValidators;
import cn.supermarket.common.utils.spring.SpringUtils;
import cn.supermarket.system.mapper.SysPostMapper;
import cn.supermarket.system.mapper.SysRoleMapper;
import cn.supermarket.system.dto.SysUserDTO;
import cn.supermarket.system.result.SysUserResult;
import cn.supermarket.system.service.SysConfigService;
import cn.supermarket.system.service.SysUserService;
import cn.supermarket.system.mapper.SysUserMapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;

import javax.validation.Validator;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

/**
 *
 */
@Service
public class SysUserServiceImpl extends ServiceImpl<SysUserMapper, SysUser>
    implements SysUserService{
    @Autowired
    private SysRoleMapper roleMapper;

    @Autowired
    private SysPostMapper postMapper;

    @Autowired
    private SysConfigService configService;

    @Autowired
    protected Validator validator;

    /**
     * 通过用户名查询用户
     *
     * @param userName 用户名
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserByUserName(String userName) {
        return this.baseMapper.selectUserByUserName(userName);
    }

    /**
     * 通过用户名查询用户
     *
     * @param id       用户编号
     * @param username 用户名
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserByIdAndName(Long id, String username) {
        return this.baseMapper.selectUserByIdAndName(id,username);
    }

    /**
     * 查询用户所属角色组
     *
     * @param userName 用户名
     * @return 结果
     */
    @Override
    public String selectUserRoleGroup(String userName) {
        List<SysRole> list = roleMapper.selectRolesByUserName(userName);
        if (CollectionUtils.isEmpty(list))
        {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysRole::getRoleName).collect(Collectors.joining(","));
    }

    /**
     * 根据用户ID查询用户所属岗位组
     *
     * @param userName 用户名
     * @return 结果
     */
    @Override
    public String selectUserPostGroup(String userName) {
        List<SysPost> list = postMapper.selectPostsByUserName(userName);
        if (CollectionUtils.isEmpty(list))
        {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysPost::getPostName).collect(Collectors.joining(","));
    }

    /**
     * 校验手机号码是否唯一
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean checkPhoneUnique(SysUser user) {
        SysUser info = this.baseMapper.checkPhoneUnique(user.getPhoneNumber());
        if (StringUtils.isNotNull(info) && info.getUserId().longValue() != invokeUserId(user).longValue())
        {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验email是否唯一
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean checkEmailUnique(SysUser user) {
        SysUser info = this.baseMapper.checkEmailUnique(user.getEmail());
        if (StringUtils.isNotNull(info) && info.getUserId().longValue() != invokeUserId(user).longValue())
        {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 修改用户基本信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int updateUserProfile(SysUser user) {
        return this.baseMapper.updateById(user);
    }

    /**
     * 重置用户密码
     *
     * @param userName 用户名
     * @param password 密码
     * @return 结果
     */
    @Override
    public int resetUserPwd(String userName, String password) {
        return this.baseMapper.resetUserPwd(userName, password);
    }

    /**
     * 修改用户头像
     *
     * @param userName 用户名
     * @param avatar   头像地址
     * @return 结果
     */
    @Override
    public boolean updateUserAvatar(String userName, String avatar) {
        return this.baseMapper.updateUserAvatar(userName, avatar) > 0;
    }

    /**
     * 分页获取用户列表
     *
     * @param sysUserParam
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public List<SysUserResult> selectUserList(SysUserDTO sysUserParam) {
        return this.baseMapper.selectUserList(sysUserParam);
    }

    /**
     * 校验用户是否有数据权限
     *
     * @param userId 用户id
     */
    @Override
    public void checkUserDataScope(Long userId)
    {
        if (!SysUser.isAdmin(SecurityUtils.getUserId()))
        {
            SysUserDTO sysUserParam=new SysUserDTO();
            sysUserParam.setUserId(userId);
            List<SysUserResult> users = SpringUtils.getAopProxy(this).selectUserList(sysUserParam);
            if (StringUtils.isEmpty(users))
            {
                throw new ServiceException("没有权限访问用户数据！");
            }
        }
    }

    /**
     * 校验用户是否允许操作
     *
     * @param user 用户信息
     */
    @Override
    public void checkUserAllowed(SysUser user)
    {
        if (StringUtils.isNotNull(user.getUserId()) && user.isAdmin())
        {
            throw new ServiceException("不允许操作超级管理员用户");
        }
    }

    /**
     * 删除用户
     *
     * @param userIds
     */
    @Override
    public int deleteUserByIds(Long[] userIds) {
        int count=0;
        SysUser sysUser=new SysUser();
        sysUser.setDelFlag(UserStatus.DELETED.getCode());
        sysUser.setUpdateTime(new Date());
        sysUser.setUpdateBy(SecurityUtils.getUsername());
        for (int i=0;i<userIds.length;i++){
            sysUser.setUserId(userIds[i]);
            count +=this.baseMapper.updateById(sysUser);
        }
        return count;
    }

    /**
     * 修改用户
     *
     * @param user
     */
    @Override
    @Transactional
    public boolean updateUserById(SysUser user) {
        Long userId = user.getUserId();
        // 删除用户与角色关联
        this.baseMapper.deleteUserRoleByUserId(userId);
        // 新增用户与角色管理
        insertUserRole(user);
        // 删除用户与岗位关联
        this.baseMapper.deleteUserPostByUserId(userId);
        // 新增用户与岗位管理
        insertUserPost(user);
        return this.baseMapper.updateById(user)>0;
    }

    /**
     * 校验用户名称是否唯一
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean checkUserNameUnique(SysUser user) {
        Long userId = StringUtils.isNull(user.getUserId()) ? -1L : user.getUserId();
        SysUser info = this.baseMapper.checkUserNameUnique(user.getUserName());
        if (StringUtils.isNotNull(info) && info.getUserId().longValue() != userId.longValue())
        {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 新增用户角色信息
     *
     * @param user 用户对象
     */
    public void insertUserRole(SysUser user)
    {
        this.insertUserRole(user.getUserId(), user.getRoleIds());
    }

    /**
     * 新增用户岗位信息
     *
     * @param user 用户对象
     */
    public void insertUserPost(SysUser user)
    {
        Long[] posts = user.getPostIds();
        if (StringUtils.isNotEmpty(posts))
        {
            this.baseMapper.batchUserPost(user.getUserId(),posts);
        }
    }

    /**
     * 新增用户角色信息
     *
     * @param userId 用户ID
     * @param roleIds 角色组
     */
    public void insertUserRole(Long userId, Long[] roleIds)
    {

        if (StringUtils.isNotEmpty(roleIds))
        {
            this.baseMapper.batchUserRole(userId,roleIds);
        }
    }

    /**
     * 新增保存用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    @Transactional
    public int insertUser(SysUser user)
    {
        user.setCreateTime(new Date());
        // 新增用户信息
        int rows = this.baseMapper.insert(user);
        // 新增用户岗位关联
        insertUserPost(user);
        // 新增用户与角色管理
        insertUserRole(user);
        return rows;
    }

    /**
     * 用户授权角色
     *
     * @param userId  用户ID
     * @param roleIds 角色组
     */
    @Override
    public void insertUserAuth(Long userId, Long[] roleIds) {
        this.baseMapper.deleteUserRoleByUserId(userId);
        insertUserRole(userId, roleIds);
    }

    /**
     * 导入用户数据
     *
     * @param userList      用户数据列表
     * @param updateSupport 是否更新支持，如果已存在，则进行更新数据
     * @param operName      操作用户
     * @return 结果
     */
    @Override
    public String importUser(List<SysUserResult> userList, boolean updateSupport, String operName) {
        if (StringUtils.isNull(userList) || userList.size() == 0)
        {
            throw new ServiceException("导入用户数据不能为空！");
        }
        int successNum = 0;
        int failureNum = 0;
        StringBuilder successMsg = new StringBuilder();
        StringBuilder failureMsg = new StringBuilder();
        String password = configService.selectConfigByKey("sys.user.initPassword");
        for (SysUserResult userResult : userList)
        {
            BeanValidators.validateWithException(validator, userResult);
            SysUser user =new SysUser();
            BeanUtils.copyBeanProp(user,userResult);
            user.setUserType("00");
            try
            {
                // 验证是否存在这个用户
                SysUser u = this.baseMapper.selectUserByUserName(userResult.getUserName());
                if (StringUtils.isNull(u))
                {

                    user.setPassword(SecurityUtils.encryptPassword(password));
                    user.setCreateBy(operName);
                    user.setCreateTime(new Date());
                    this.baseMapper.insert(user);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 导入成功");
                }
                else if (updateSupport)
                {
                    checkUserAllowed(u);
                    checkUserDataScope(u.getUserId());
                    user.setUserId(u.getUserId());
                    user.setUpdateBy(operName);
                    user.setUpdateTime(new Date());
                    this.baseMapper.updateById(user);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 更新成功");
                }
                else
                {
                    failureNum++;
                    failureMsg.append("<br/>" + failureNum + "、账号 " + user.getUserName() + " 已存在");
                }
            }
            catch (Exception e)
            {
                failureNum++;
                String msg = "<br/>" + failureNum + "、账号 " + user.getUserName() + " 导入失败：";
                failureMsg.append(msg + e.getMessage());
                log.error(msg, e);
            }
        }
        if (failureNum > 0)
        {
            failureMsg.insert(0, "很抱歉，导入失败！共 " + failureNum + " 条数据格式不正确，错误如下：");
            throw new ServiceException(failureMsg.toString());
        }
        else
        {
            successMsg.insert(0, "恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据如下：");
        }
        return successMsg.toString();
    }

    /**
     * 根据条件分页查询已分配用户角色列表
     *
     * @param userParam 用户信息
     * @return 用户信息集合信息
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public List<SysUser> selectAllocatedList(SysUserDTO userParam) {
        return this.baseMapper.selectAllocatedList(userParam);
    }

    /**
     * 根据条件分页查询未分配用户角色列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public List<SysUser> selectUnallocatedList(SysUserDTO user) {
        return this.baseMapper.selectUnallocatedList(user);
    }

    private Long invokeUserId(SysUser user){
        return StringUtils.isNull(user.getUserId()) ? -1L : user.getUserId();
    }
}




